Below is an excerpt from an email all municipalities received from the Wisconsin Department of Revenue:
The Wisconsin Department of Revenue (DOR) would like to provide the following information due to the increased number of inquiries related to property tax pre-payments.
Under state law (sec. 74.13, Wis. Stats.), general property taxes, special assessments, special charges and special taxes may be paid in advance of the levy during the period from August 1 until the third Monday in December each year.
You can pre-pay your City of Waukesha Real Estate taxes up to the amount you paid the previous year. Please contact the Clerk Treasurer at (262) 524-3850 for additional information.